Atlas Signal System - Multiple Block Detectors on one Block? Apr 5, 2014 22:29:59 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by rusty0918 on Apr 5, 2014 22:29:59 GMT -8 Is this the way it was intended, supposing one would want block signals at both ends of the block facing opposite directions? I'm trying to figure this out.